target-ppc/cpu-qom.h

   1 /*
   2  * QEMU PowerPC CPU
   3  *
   4  * Copyright (c) 2012 SUSE LINUX Products GmbH
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see
  18  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  19  */
  20 #ifndef QEMU_PPC_CPU_QOM_H
  21 #define QEMU_PPC_CPU_QOM_H
  22
  23 #include "qom/cpu.h"
  24 #include "cpu.h"
  25
  26 #ifdef TARGET_PPC64
  27 #define TYPE_POWERPC_CPU "powerpc64-cpu"
  28 #elif defined(TARGET_PPCEMB)
  29 #define TYPE_POWERPC_CPU "embedded-powerpc-cpu"
  30 #else
  31 #define TYPE_POWERPC_CPU "powerpc-cpu"
  32 #endif
  33
  34 #define POWERPC_CPU_CLASS(klass) \
  35     OBJECT_CLASS_CHECK(PowerPCCPUClass, (klass), TYPE_POWERPC_CPU)
  36 #define POWERPC_CPU(obj) \
  37     OBJECT_CHECK(PowerPCCPU, (obj), TYPE_POWERPC_CPU)
  38 #define POWERPC_CPU_GET_CLASS(obj) \
  39     OBJECT_GET_CLASS(PowerPCCPUClass, (obj), TYPE_POWERPC_CPU)
  40
  41 typedef struct PowerPCCPU PowerPCCPU;
  42
  43 /**
  44  * PowerPCCPUClass:
  45  * @parent_realize: The parent class' realize handler.
  46  * @parent_reset: The parent class' reset handler.
  47  *
  48  * A PowerPC CPU model.
  49  */
  50 typedef struct PowerPCCPUClass {
  51     /*< private >*/
  52     CPUClass parent_class;
  53     /*< public >*/
  54
  55     DeviceRealize parent_realize;
  56     void (*parent_reset)(CPUState *cpu);
  57
  58     uint32_t pvr;
  59     uint32_t pvr_mask;
  60     uint32_t svr;
  61     uint64_t insns_flags;
  62     uint64_t insns_flags2;
  63     uint64_t msr_mask;
  64     powerpc_mmu_t   mmu_model;
  65     powerpc_excp_t  excp_model;
  66     powerpc_input_t bus_model;
  67     uint32_t flags;
  68     int bfd_mach;
  69     uint32_t l1_dcache_size, l1_icache_size;
  70 #if defined(TARGET_PPC64)
  71     const struct ppc_segment_page_sizes *sps;
  72 #endif
  73     void (*init_proc)(CPUPPCState *env);
  74     int  (*check_pow)(CPUPPCState *env);
  75 #if defined(CONFIG_SOFTMMU)
  76     int (*handle_mmu_fault)(PowerPCCPU *cpu, target_ulong eaddr, int rwx,
  77                             int mmu_idx);
  78 #endif
  79     bool (*interrupts_big_endian)(PowerPCCPU *cpu);
  80 } PowerPCCPUClass;
  81
  82 /**
  83  * PowerPCCPU:
  84  * @env: #CPUPPCState
  85  * @cpu_dt_id: CPU index used in the device tree. KVM uses this index too
  86  *
  87  * A PowerPC CPU.
  88  */
  89 struct PowerPCCPU {
  90     /*< private >*/
  91     CPUState parent_obj;
  92     /*< public >*/
  93
  94     CPUPPCState env;
  95     int cpu_dt_id;
  96 };
  97
  98 static inline PowerPCCPU *ppc_env_get_cpu(CPUPPCState *env)
  99 {
 100     return container_of(env, PowerPCCPU, env);
 101 }
 102
 103 #define ENV_GET_CPU(e) CPU(ppc_env_get_cpu(e))
 104
 105 #define ENV_OFFSET offsetof(PowerPCCPU, env)
 106
 107 PowerPCCPUClass *ppc_cpu_class_by_pvr(uint32_t pvr);
 108 PowerPCCPUClass *ppc_cpu_class_by_pvr_mask(uint32_t pvr);
 109
 110 void ppc_cpu_do_interrupt(CPUState *cpu);
 111 void ppc_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
 112                         int flags);
 113 void ppc_cpu_dump_statistics(CPUState *cpu, FILE *f,
 114                              fprintf_function cpu_fprintf, int flags);
 115 hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 116 int ppc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
 117 int ppc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
 118 int ppc64_cpu_write_elf64_qemunote(WriteCoreDumpFunction f,
 119                                    CPUState *cpu, void *opaque);
 120 int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
 121                                int cpuid, void *opaque);
 122 #ifndef CONFIG_USER_ONLY
 123 extern const struct VMStateDescription vmstate_ppc_cpu;
 124
 125 typedef struct PPCTimebase {
 126     uint64_t guest_timebase;
 127     int64_t time_of_the_day_ns;
 128 } PPCTimebase;
 129
 130 extern const struct VMStateDescription vmstate_ppc_timebase;
 131
 132 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
 133     .name       = (stringify(_field)),                                \
 134     .version_id = (_version),                                         \
 135     .size       = sizeof(PPCTimebase),                                \
 136     .vmsd       = &vmstate_ppc_timebase,                              \
 137     .flags      = VMS_STRUCT,                                         \
 138     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
 139 }
 140 #endif
 141
 142 #endif